| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Finland | 10 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Austria | 1 | |
| #5 | France | 1 | |
| #6 | United States | 1 |
| # | Technology | |
|---|---|---|
| #1 | Explosive charges | |
| #2 | Military vessels | |
| #3 | Ammunition fuzes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hermann Pape Max Carl August | 1 |
| #2 | Schmidt Georg | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB226747A | Improvements in or relating to submerged mines | |
| US1410834A | Mine-sweeping device | |
| DE338420C | Device for unloading projectiles and similar enclosures filled with solid explosives |